243155041315 has 8 divisors (see below), whose sum is σ = 291789145440. Its totient is φ = 194521969152.

The previous prime is 243155041289. The next prime is 243155041361. The reversal of 243155041315 is 513140551342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243155041315 - 2⁷ = 243155041187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424546 + ... + 816424.

It is an arithmetic number, because the mean of its divisors is an integer number (36473643180).

Almost surely, 2^243155041315 is an apocalyptic number.

243155041315 is a deficient number, since it is larger than the sum of its proper divisors (48634104125).

243155041315 is a wasteful number, since it uses less digits than its factorization.

243155041315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515981.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 243155041315 its reverse (513140551342), we get a palindrome (756295592657).

The spelling of 243155041315 in words is "two hundred forty-three billion, one hundred fifty-five million, forty-one thousand, three hundred fifteen".